2455151556 has 144 divisors (see below), whose sum is σ = 6820003008. Its totient is φ = 681408000.

The previous prime is 2455151533. The next prime is 2455151563. The reversal of 2455151556 is 6551515542.

It is a super-2 number, since 2×2455151556² = 12055538325858442272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3502006 + ... + 3502706.

It is an arithmetic number, because the mean of its divisors is an integer number (47361132).

Almost surely, 2^2455151556 is an apocalyptic number.

2455151556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2455151556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3410001504).

2455151556 is an abundant number, since it is smaller than the sum of its proper divisors (4364851452).

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

2455151556 is a wasteful number, since it uses less digits than its factorization.

2455151556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 887 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The square root of 2455151556 is about 49549.4859307339. The cubic root of 2455151556 is about 1349.0439607003.

The spelling of 2455151556 in words is "two billion, four hundred fifty-five million, one hundred fifty-one thousand, five hundred fifty-six".