40072470528 has 224 divisors, whose sum is σ = 110924181504. Its totient is φ = 12856983552.

The previous prime is 40072470511. The next prime is 40072470539. The reversal of 40072470528 is 82507427004.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115482451 + ... + 115482797.

Almost surely, 2^40072470528 is an apocalyptic number.

40072470528 is a gapful number since it is divisible by the number (48) 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 40072470528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55462090752).

40072470528 is an abundant number, since it is smaller than the sum of its proper divisors (70851710976).

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

40072470528 is a wasteful number, since it uses less digits than its factorization.

40072470528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 40072470528 in words is "forty billion, seventy-two million, four hundred seventy thousand, five hundred twenty-eight".