40497876 has 36 divisors (see below), whose sum is σ = 108393012. Its totient is φ = 12705024.

The previous prime is 40497857. The next prime is 40497901. The reversal of 40497876 is 67879404.

It can be written as a sum of positive squares in 2 ways, for example, as 15397776 + 25100100 = 3924^2 + 5010^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40497876² = 3280155921022752, 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 11 ways as a sum of consecutive naturals, for example, 32475 + ... + 33698.

It is an arithmetic number, because the mean of its divisors is an integer number (3010917).

Almost surely, 2^40497876 is an apocalyptic number.

It is an amenable number.

40497876 is an abundant number, since it is smaller than the sum of its proper divisors (67895136).

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

40497876 is a wasteful number, since it uses less digits than its factorization.

40497876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66200 (or 66195 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 40497876 is about 6363.7941512906. The cubic root of 40497876 is about 343.4082692708.

The spelling of 40497876 in words is "forty million, four hundred ninety-seven thousand, eight hundred seventy-six".