629496540 has 144 divisors (see below), whose sum is σ = 2025004800. Its totient is φ = 158008320.

The previous prime is 629496457. The next prime is 629496559. The reversal of 629496540 is 45694926.

629496540 is a `hidden beast` number, since 62 + 9 + 49 + 6 + 540 = 666.

629496540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204936 + ... + 207984.

Almost surely, 2^629496540 is an apocalyptic number.

629496540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629496540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012502400).

629496540 is an abundant number, since it is smaller than the sum of its proper divisors (1395508260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629496540 is a wasteful number, since it uses less digits than its factorization.

629496540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 629496540 is about 25089.7696282768. The cubic root of 629496540 is about 857.0334691358.

It can be divided in two parts, 629496 and 540, that added together give a palindrome (630036).

The spelling of 629496540 in words is "six hundred twenty-nine million, four hundred ninety-six thousand, five hundred forty".