2515455480 has 32 divisors (see below), whose sum is σ = 7546366800. Its totient is φ = 670788096.

The previous prime is 2515455479. The next prime is 2515455491. The reversal of 2515455480 is 845545152.

It is a congruent number.

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, 10480945 + ... + 10481184.

Almost surely, 2^2515455480 is an apocalyptic number.

2515455480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515455480 is an abundant number, since it is smaller than the sum of its proper divisors (5030911320).

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

2515455480 is a wasteful number, since it uses less digits than its factorization.

2515455480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962143 (or 20962139 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 39.

The square root of 2515455480 is about 50154.3166636731. The cubic root of 2515455480 is about 1359.9999062860. Note that the first 4 decimals are identical.

The spelling of 2515455480 in words is "two billion, five hundred fifteen million, four hundred fifty-five thousand, four hundred eighty".