40466264440 has 64 divisors (see below), whose sum is σ = 104091111360. Its totient is φ = 13869480960.

The previous prime is 40466264437. The next prime is 40466264479. The reversal of 40466264440 is 4446266404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 40466264393 and 40466264402.

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, 867964 + ... + 913396.

It is an arithmetic number, because the mean of its divisors is an integer number (1626423615).

Almost surely, 2^40466264440 is an apocalyptic number.

40466264440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40466264440 is an abundant number, since it is smaller than the sum of its proper divisors (63624846920).

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

40466264440 is a wasteful number, since it uses less digits than its factorization.

40466264440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48632 (or 48628 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 40466264440 in words is "forty billion, four hundred sixty-six million, two hundred sixty-four thousand, four hundred forty".