2753157640 has 32 divisors (see below), whose sum is σ = 6218182080. Its totient is φ = 1097071552.

The previous prime is 2753157623. The next prime is 2753157653. The reversal of 2753157640 is 467513572.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2753157593 and 2753157602.

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, 120334 + ... + 141373.

It is an arithmetic number, because the mean of its divisors is an integer number (194318190).

Almost surely, 2^2753157640 is an apocalyptic number.

2753157640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2753157640 is an abundant number, since it is smaller than the sum of its proper divisors (3465024440).

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

2753157640 is a wasteful number, since it uses less digits than its factorization.

2753157640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261981 (or 261977 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2753157640 is about 52470.5406871322. The cubic root of 2753157640 is about 1401.5556924292. Note that the first 3 decimals are identical.

The spelling of 2753157640 in words is "two billion, seven hundred fifty-three million, one hundred fifty-seven thousand, six hundred forty".