62042640 has 160 divisors (see below), whose sum is σ = 213414912. Its totient is φ = 14784000.

The previous prime is 62042633. The next prime is 62042641. The reversal of 62042640 is 4624026.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 62042640.

It is not an unprimeable number, because it can be changed into a prime (62042641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187275 + ... + 187605.

Almost surely, 2^62042640 is an apocalyptic number.

62042640 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 62042640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106707456).

62042640 is an abundant number, since it is smaller than the sum of its proper divisors (151372272).

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

62042640 is a wasteful number, since it uses less digits than its factorization.

62042640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 62042640 is about 7876.7150513396. The cubic root of 62042640 is about 395.8798737768.

Adding to 62042640 its reverse (4624026), we get a palindrome (66666666).

The spelling of 62042640 in words is "sixty-two million, forty-two thousand, six hundred forty".