2054408779944 has 32 divisors (see below), whose sum is σ = 5706691056000. Its totient is φ = 684802926576.

The previous prime is 2054408779921. The next prime is 2054408779957. The reversal of 2054408779944 is 4499778044502.

2054408779944 is a `hidden beast` number, since 2 + 0 + 5 + 440 + 87 + 79 + 9 + 44 = 666.

It is a super-2 number, since 2×2054408779944² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755575664 + ... + 4755576095.

It is an arithmetic number, because the mean of its divisors is an integer number (178334095500).

Almost surely, 2^{2054408779944} is an apocalyptic number.

2054408779944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2054408779944 is an abundant number, since it is smaller than the sum of its proper divisors (3652282276056).

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

2054408779944 is a wasteful number, since it uses less digits than its factorization.

2054408779944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511151774 (or 9511151764 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 2054408779944 in words is "two trillion, fifty-four billion, four hundred eight million, seven hundred seventy-nine thousand, nine hundred forty-four".