40477660 has 24 divisors (see below), whose sum is σ = 87078096. Its totient is φ = 15795840.

The previous prime is 40477651. The next prime is 40477673. The reversal of 40477660 is 6677404.

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, 23862 + ... + 25501.

It is an arithmetic number, because the mean of its divisors is an integer number (3628254).

Almost surely, 2^40477660 is an apocalyptic number.

It is an amenable number.

40477660 is an abundant number, since it is smaller than the sum of its proper divisors (46600436).

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

40477660 is a wasteful number, since it uses less digits than its factorization.

40477660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49413 (or 49411 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 40477660 is about 6362.2055924027. The cubic root of 40477660 is about 343.3511181495.

The spelling of 40477660 in words is "forty million, four hundred seventy-seven thousand, six hundred sixty".