1054406465556 has 48 divisors (see below), whose sum is σ = 2593717090944. Its totient is φ = 332721709056.

The previous prime is 1054406465503. The next prime is 1054406465573. The reversal of 1054406465556 is 6555646044501.

It is a super-2 number, since 2×1054406465556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054406465499 and 1054406465508.

It is a congruent number.

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, 19665565 + ... + 19719108.

It is an arithmetic number, because the mean of its divisors is an integer number (54035772728).

Almost surely, 2^{1054406465556} is an apocalyptic number.

It is an amenable number.

1054406465556 is an abundant number, since it is smaller than the sum of its proper divisors (1539310625388).

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

1054406465556 is a wasteful number, since it uses less digits than its factorization.

1054406465556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39384800 (or 39384798 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 1054406465556 in words is "one trillion, fifty-four billion, four hundred six million, four hundred sixty-five thousand, five hundred fifty-six".