40473112920 has 128 divisors (see below), whose sum is σ = 123844386240. Its totient is φ = 10577715200.

The previous prime is 40473112913. The next prime is 40473112921. The reversal of 40473112920 is 2921137404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40473112921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6974020 + ... + 6979820.

Almost surely, 2^40473112920 is an apocalyptic number.

40473112920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40473112920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61922193120).

40473112920 is an abundant number, since it is smaller than the sum of its proper divisors (83371273320).

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

40473112920 is a wasteful number, since it uses less digits than its factorization.

40473112920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965 (or 6961 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 40473112920 in words is "forty billion, four hundred seventy-three million, one hundred twelve thousand, nine hundred twenty".