40448471004 has 72 divisors (see below), whose sum is σ = 102805898832. Its totient is φ = 13408968960.

The previous prime is 40448470999. The next prime is 40448471033. The reversal of 40448471004 is 40017484404.

It is a super-2 number, since 2×40448471004² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40448471004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8561787 + ... + 8566509.

It is an arithmetic number, because the mean of its divisors is an integer number (1427859706).

Almost surely, 2^40448471004 is an apocalyptic number.

It is an amenable number.

40448471004 is an abundant number, since it is smaller than the sum of its proper divisors (62357427828).

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

40448471004 is a wasteful number, since it uses less digits than its factorization.

40448471004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987 (or 5982 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The spelling of 40448471004 in words is "forty billion, four hundred forty-eight million, four hundred seventy-one thousand, four".