40475246994 has 256 divisors, whose sum is σ = 117550863360. Its totient is φ = 10017976320.

The previous prime is 40475246963. The next prime is 40475247019. The reversal of 40475246994 is 49964257404.

40475246994 is a `hidden beast` number, since 4 + 0 + 47 + 52 + 469 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 40475246994.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 55218252 + ... + 55218984.

It is an arithmetic number, because the mean of its divisors is an integer number (459183060).

Almost surely, 2^40475246994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40475246994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58775431680).

40475246994 is an abundant number, since it is smaller than the sum of its proper divisors (77075616366).

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

40475246994 is a wasteful number, since it uses less digits than its factorization.

40475246994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 40475246994 in words is "forty billion, four hundred seventy-five million, two hundred forty-six thousand, nine hundred ninety-four".