1055424394040 has 32 divisors (see below), whose sum is σ = 2375352099360. Its totient is φ = 422054697600.

The previous prime is 1055424394039. The next prime is 1055424394043. The reversal of 1055424394040 is 404934245501.

It is a super-2 number, since 2×1055424394040² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055424394043) 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, 3446951 + ... + 3740630.

It is an arithmetic number, because the mean of its divisors is an integer number (74229753105).

Almost surely, 2^{1055424394040} is an apocalyptic number.

1055424394040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055424394040 is an abundant number, since it is smaller than the sum of its proper divisors (1319927705320).

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

1055424394040 is a wasteful number, since it uses less digits than its factorization.

1055424394040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191263 (or 7191259 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1055424394040 in words is "one trillion, fifty-five billion, four hundred twenty-four million, three hundred ninety-four thousand, forty".