10403377944 has 16 divisors (see below), whose sum is σ = 26008444920. Its totient is φ = 3467792640.

The previous prime is 10403377939. The next prime is 10403377951. The reversal of 10403377944 is 44977330401.

It is a junction number, because it is equal to n+sod(n) for n = 10403377896 and 10403377905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216737017 + ... + 216737064.

Almost surely, 2^10403377944 is an apocalyptic number.

It is an amenable number.

10403377944 is an abundant number, since it is smaller than the sum of its proper divisors (15605066976).

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

10403377944 is a wasteful number, since it uses less digits than its factorization.

10403377944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433474090 (or 433474086 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 10403377944 in words is "ten billion, four hundred three million, three hundred seventy-seven thousand, nine hundred forty-four".