40057602 has 32 divisors (see below), whose sum is σ = 87702720. Its totient is φ = 12121920.

The previous prime is 40057601. The next prime is 40057621. The reversal of 40057602 is 20675004.

It is a happy number.

It is a super-2 number, since 2×40057602² = 3209222955980808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40057601) 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 15 ways as a sum of consecutive naturals, for example, 549 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (2740710).

Almost surely, 2^40057602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40057602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43851360).

40057602 is an abundant number, since it is smaller than the sum of its proper divisors (47645118).

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

40057602 is a wasteful number, since it uses less digits than its factorization.

40057602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40057602 is about 6329.1075200221. The cubic root of 40057602 is about 342.1592739880.

The spelling of 40057602 in words is "forty million, fifty-seven thousand, six hundred two".