40031763860 has 96 divisors (see below), whose sum is σ = 97896314880. Its totient is φ = 13596508800.

The previous prime is 40031763823. The next prime is 40031763899. The reversal of 40031763860 is 6836713004.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 229337 + ... + 364223.

It is an arithmetic number, because the mean of its divisors is an integer number (1019753280).

Almost surely, 2^40031763860 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 40031763860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48948157440).

40031763860 is an abundant number, since it is smaller than the sum of its proper divisors (57864551020).

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

40031763860 is a wasteful number, since it uses less digits than its factorization.

40031763860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134997 (or 134995 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 40031763860 in words is "forty billion, thirty-one million, seven hundred sixty-three thousand, eight hundred sixty".