2790486720 has 896 divisors, whose sum is σ = 12231014400. Its totient is φ = 585252864.

The previous prime is 2790486701. The next prime is 2790486733. The reversal of 2790486720 is 276840972.

It is a super-2 number, since 2×2790486720² = 15573632268992716800, which contains 22 as substring.

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 a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64895019 + ... + 64895061.

Almost surely, 2^2790486720 is an apocalyptic number.

2790486720 is a gapful number since it is divisible by the number (20) 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 2790486720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115507200).

2790486720 is an abundant number, since it is smaller than the sum of its proper divisors (9440527680).

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

2790486720 is a wasteful number, since it uses less digits than its factorization.

2790486720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2790486720 is about 52825.0576904560. The cubic root of 2790486720 is about 1407.8616750302.

2790486720 divided by its sum of digits (45) gives a triangular number (62010816 = T₁₁₁₃₆).

The spelling of 2790486720 in words is "two billion, seven hundred ninety million, four hundred eighty-six thousand, seven hundred twenty".