919549212940 has 48 divisors (see below), whose sum is σ = 1955753517312. Its totient is φ = 363121397696.

The previous prime is 919549212893. The next prime is 919549212961. The reversal of 919549212940 is 49212945919.

It is a happy number.

919549212940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 2066607 + ... + 2471833.

It is an arithmetic number, because the mean of its divisors is an integer number (40744864944).

Almost surely, 2^919549212940 is an apocalyptic number.

It is an amenable number.

919549212940 is an abundant number, since it is smaller than the sum of its proper divisors (1036204304372).

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

919549212940 is a wasteful number, since it uses less digits than its factorization.

919549212940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406686 (or 406684 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 919549212940 in words is "nine hundred nineteen billion, five hundred forty-nine million, two hundred twelve thousand, nine hundred forty".