40356255720 has 256 divisors, whose sum is σ = 137023488000. Its totient is φ = 9422899200.

The previous prime is 40356255713. The next prime is 40356255769. The reversal of 40356255720 is 2755265304.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4270761 + ... + 4280199.

It is an arithmetic number, because the mean of its divisors is an integer number (535248000).

Almost surely, 2^40356255720 is an apocalyptic number.

40356255720 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 40356255720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68511744000).

40356255720 is an abundant number, since it is smaller than the sum of its proper divisors (96667232280).

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

40356255720 is a wasteful number, since it uses less digits than its factorization.

40356255720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9584 (or 9580 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 40356255720 in words is "forty billion, three hundred fifty-six million, two hundred fifty-five thousand, seven hundred twenty".