7276505240 has 64 divisors (see below), whose sum is σ = 18247615200. Its totient is φ = 2595207168.

The previous prime is 7276505237. The next prime is 7276505263. The reversal of 7276505240 is 425056727.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 7276505194 and 7276505203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268679 + ... + 294518.

Almost surely, 2^7276505240 is an apocalyptic number.

It is an amenable number.

7276505240 is an abundant number, since it is smaller than the sum of its proper divisors (10971109960).

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

7276505240 is a wasteful number, since it uses less digits than its factorization.

7276505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563244 (or 563240 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 7276505240 is about 85302.4339629298. The cubic root of 7276505240 is about 1937.7940384263.

The spelling of 7276505240 in words is "seven billion, two hundred seventy-six million, five hundred five thousand, two hundred forty".