40142476 has 18 divisors (see below), whose sum is σ = 77217140. Its totient is φ = 18246360.

The previous prime is 40142449. The next prime is 40142483. The reversal of 40142476 is 67424104.

It is a super-2 number, since 2×40142476² = 3222836758821152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40986 + ... + 41953.

Almost surely, 2^40142476 is an apocalyptic number.

It is an amenable number.

40142476 is a deficient number, since it is larger than the sum of its proper divisors (37074664).

40142476 is a wasteful number, since it uses less digits than its factorization.

40142476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82965 (or 82952 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40142476 is about 6335.8090248997. The cubic root of 40142476 is about 342.4007590712.

The spelling of 40142476 in words is "forty million, one hundred forty-two thousand, four hundred seventy-six".