40057332 has 48 divisors (see below), whose sum is σ = 110272512. Its totient is φ = 11075040.

The previous prime is 40057327. The next prime is 40057337. The reversal of 40057332 is 23375004.

It is an interprime number because it is at equal distance from previous prime (40057327) and next prime (40057337).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40057337) 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, 5088 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (2297344).

Almost surely, 2^40057332 is an apocalyptic number.

40057332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40057332 is an abundant number, since it is smaller than the sum of its proper divisors (70215180).

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

40057332 is a wasteful number, since it uses less digits than its factorization.

40057332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428 (or 15426 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 40057332 is about 6329.0861899646. The cubic root of 40057332 is about 342.1585052349.

The spelling of 40057332 in words is "forty million, fifty-seven thousand, three hundred thirty-two".