1554456456 has 96 divisors (see below), whose sum is σ = 4872441600. Its totient is φ = 438497280.

The previous prime is 1554456437. The next prime is 1554456479. The reversal of 1554456456 is 6546544551.

1554456456 is a `hidden beast` number, since 1 + 5 + 544 + 56 + 4 + 56 = 666.

1554456456 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20296 + ... + 59336.

It is an arithmetic number, because the mean of its divisors is an integer number (50754600).

Almost surely, 2^1554456456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1554456456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436220800).

1554456456 is an abundant number, since it is smaller than the sum of its proper divisors (3317985144).

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

1554456456 is a wasteful number, since it uses less digits than its factorization.

1554456456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39139 (or 39132 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The square root of 1554456456 is about 39426.5957952243. The cubic root of 1554456456 is about 1158.4025911881.

The spelling of 1554456456 in words is "one billion, five hundred fifty-four million, four hundred fifty-six thousand, four hundred fifty-six".