40445158 has 16 divisors (see below), whose sum is σ = 65671200. Its totient is φ = 18570816.

The previous prime is 40445123. The next prime is 40445179. The reversal of 40445158 is 85154404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (4104450).

Almost surely, 2^40445158 is an apocalyptic number.

40445158 is a deficient number, since it is larger than the sum of its proper divisors (25226042).

40445158 is a wasteful number, since it uses less digits than its factorization.

40445158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 40445158 is about 6359.6507765757. The cubic root of 40445158 is about 343.2591943057.

The spelling of 40445158 in words is "forty million, four hundred forty-five thousand, one hundred fifty-eight".