1474527640 has 64 divisors (see below), whose sum is σ = 3531548160. Its totient is φ = 552161280.

The previous prime is 1474527599. The next prime is 1474527641. The reversal of 1474527640 is 467254741.

It is a super-2 number, since 2×1474527640² = 4348463522247939200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1474527593 and 1474527602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474527641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124204 + ... + 135556.

It is an arithmetic number, because the mean of its divisors is an integer number (55180440).

Almost surely, 2^1474527640 is an apocalyptic number.

1474527640 is a gapful number since it is divisible by the number (10) 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 1474527640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765774080).

1474527640 is an abundant number, since it is smaller than the sum of its proper divisors (2057020520).

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

1474527640 is a wasteful number, since it uses less digits than its factorization.

1474527640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572 (or 11568 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 1474527640 is about 38399.5786435216. The cubic root of 1474527640 is about 1138.1975311992.

The spelling of 1474527640 in words is "one billion, four hundred seventy-four million, five hundred twenty-seven thousand, six hundred forty".