40178054 has 32 divisors (see below), whose sum is σ = 70424640. Its totient is φ = 16837632.

The previous prime is 40178023. The next prime is 40178087. The reversal of 40178054 is 45087104.

It is a super-2 number, since 2×40178054² = 3228552046453832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172322 + ... + 172554.

It is an arithmetic number, because the mean of its divisors is an integer number (2200770).

Almost surely, 2^40178054 is an apocalyptic number.

40178054 is a deficient number, since it is larger than the sum of its proper divisors (30246586).

40178054 is a wasteful number, since it uses less digits than its factorization.

40178054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 40178054 is about 6338.6160950163. The cubic root of 40178054 is about 342.5018850128.

The spelling of 40178054 in words is "forty million, one hundred seventy-eight thousand, fifty-four".