40151568 has 20 divisors (see below), whose sum is σ = 103725008. Its totient is φ = 13383840.

The previous prime is 40151561. The next prime is 40151591. The reversal of 40151568 is 86515104.

It is a super-2 number, since 2×40151568² = 3224296825717248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40151561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418198 + ... + 418293.

Almost surely, 2^40151568 is an apocalyptic number.

40151568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40151568 is an abundant number, since it is smaller than the sum of its proper divisors (63573440).

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

40151568 is a wasteful number, since it uses less digits than its factorization.

40151568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836502 (or 836496 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 40151568 is about 6336.5264932769. The cubic root of 40151568 is about 342.4266076071.

The spelling of 40151568 in words is "forty million, one hundred fifty-one thousand, five hundred sixty-eight".