40158846 has 48 divisors (see below), whose sum is σ = 107094624. Its totient is φ = 10590912.

The previous prime is 40158841. The next prime is 40158869. The reversal of 40158846 is 64885104.

It is a super-2 number, since 2×40158846² = 3225465824103432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40158846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40158841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10621 + ... + 13896.

It is an arithmetic number, because the mean of its divisors is an integer number (2231138).

Almost surely, 2^40158846 is an apocalyptic number.

40158846 is an abundant number, since it is smaller than the sum of its proper divisors (66935778).

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

40158846 is a wasteful number, since it uses less digits than its factorization.

40158846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24545 (or 24542 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 40158846 is about 6337.1007566552. The cubic root of 40158846 is about 342.4472961332.

The spelling of 40158846 in words is "forty million, one hundred fifty-eight thousand, eight hundred forty-six".