40478152162672 has 160 divisors (see below), whose sum is σ = 91199612136960. Its totient is φ = 17045399669760.

The previous prime is 40478152162661. The next prime is 40478152162733. The reversal of 40478152162672 is 27626125187404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5218270218 + ... + 5218277974.

It is an arithmetic number, because the mean of its divisors is an integer number (569997575856).

Almost surely, 2^{40478152162672} 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 40478152162672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45599806068480).

40478152162672 is an abundant number, since it is smaller than the sum of its proper divisors (50721459974288).

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

40478152162672 is a wasteful number, since it uses less digits than its factorization.

40478152162672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519 (or 9513 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 40478152162672 in words is "forty trillion, four hundred seventy-eight billion, one hundred fifty-two million, one hundred sixty-two thousand, six hundred seventy-two".