40495880 has 16 divisors (see below), whose sum is σ = 91115820. Its totient is φ = 16198336.

The previous prime is 40495879. The next prime is 40495901. The reversal of 40495880 is 8859404.

It can be written as a sum of positive squares in 2 ways, for example, as 36893476 + 3602404 = 6074^2 + 1898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506159 + ... + 506238.

Almost surely, 2^40495880 is an apocalyptic number.

40495880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40495880 is an abundant number, since it is smaller than the sum of its proper divisors (50619940).

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

40495880 is a wasteful number, since it uses less digits than its factorization.

40495880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012408 (or 1012404 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 40495880 is about 6363.6373246753. The cubic root of 40495880 is about 343.4026273768.

The spelling of 40495880 in words is "forty million, four hundred ninety-five thousand, eight hundred eighty".