940687651780 has 48 divisors (see below), whose sum is σ = 1979158487040. Its totient is φ = 375567850368.

The previous prime is 940687651777. The next prime is 940687651789. The reversal of 940687651780 is 87156786049.

940687651780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×940687651780² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (940687651789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86224966 + ... + 86235874.

It is an arithmetic number, because the mean of its divisors is an integer number (41232468480).

Almost surely, 2^940687651780 is an apocalyptic number.

It is an amenable number.

940687651780 is an abundant number, since it is smaller than the sum of its proper divisors (1038470835260).

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

940687651780 is a wasteful number, since it uses less digits than its factorization.

940687651780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18628 (or 18626 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 940687651780 in words is "nine hundred forty billion, six hundred eighty-seven million, six hundred fifty-one thousand, seven hundred eighty".