40463473572 has 54 divisors (see below), whose sum is σ = 103594350678. Its totient is φ = 13317018624.

The previous prime is 40463473537. The next prime is 40463473573. The reversal of 40463473572 is 27537436404.

40463473572 is a `hidden beast` number, since 4 + 0 + 4 + 6 + 3 + 4 + 73 + 572 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28474537536 + 11988936036 = 168744^2 + 109494^2 .

It is not an unprimeable number, because it can be changed into a prime (40463473573) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 134628 + ... + 314724.

Almost surely, 2^40463473572 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 40463473572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51797175339).

40463473572 is an abundant number, since it is smaller than the sum of its proper divisors (63130877106).

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

40463473572 is a wasteful number, since it uses less digits than its factorization.

40463473572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180265 (or 180181 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 45.

The spelling of 40463473572 in words is "forty billion, four hundred sixty-three million, four hundred seventy-three thousand, five hundred seventy-two".