40670064484 has 72 divisors (see below), whose sum is σ = 87773667072. Its totient is φ = 16411792320.

The previous prime is 40670064469. The next prime is 40670064511. The reversal of 40670064484 is 48446007604.

It is a self number, because there is not a number n which added to its sum of digits gives 40670064484.

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, 134359 + ... + 315265.

Almost surely, 2^40670064484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40670064484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43886833536).

40670064484 is an abundant number, since it is smaller than the sum of its proper divisors (47103602588).

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

40670064484 is a wasteful number, since it uses less digits than its factorization.

40670064484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180993 (or 180984 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 40670064484 in words is "forty billion, six hundred seventy million, sixty-four thousand, four hundred eighty-four".