7611436540 has 12 divisors (see below), whose sum is σ = 15984016776. Its totient is φ = 3044574608.

The previous prime is 7611436453. The next prime is 7611436543. The reversal of 7611436540 is 456341167.

It is a self number, because there is not a number n which added to its sum of digits gives 7611436540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7611436543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190285894 + ... + 190285933.

It is an arithmetic number, because the mean of its divisors is an integer number (1332001398).

Almost surely, 2^7611436540 is an apocalyptic number.

It is an amenable number.

7611436540 is an abundant number, since it is smaller than the sum of its proper divisors (8372580236).

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

7611436540 is a wasteful number, since it uses less digits than its factorization.

7611436540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380571836 (or 380571834 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 7611436540 is about 87243.5472685516. The cubic root of 7611436540 is about 1967.0808492152.

The spelling of 7611436540 in words is "seven billion, six hundred eleven million, four hundred thirty-six thousand, five hundred forty".