1477941911920 has 40 divisors (see below), whose sum is σ = 3443734100304. Its totient is φ = 589883146752.

The previous prime is 1477941911909. The next prime is 1477941911921. The reversal of 1477941911920 is 291191497741.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1477941911921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20175994 + ... + 20249113.

Almost surely, 2^{1477941911920} is an apocalyptic number.

1477941911920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1477941911920 is an abundant number, since it is smaller than the sum of its proper divisors (1965792188384).

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

1477941911920 is a wasteful number, since it uses less digits than its factorization.

1477941911920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425577 (or 40425571 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 55.

The spelling of 1477941911920 in words is "one trillion, four hundred seventy-seven billion, nine hundred forty-one million, nine hundred eleven thousand, nine hundred twenty".