7549472940 has 48 divisors (see below), whose sum is σ = 21166141920. Its totient is φ = 2010562560.

The previous prime is 7549472929. The next prime is 7549472941. The reversal of 7549472940 is 492749457.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7549472941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35671 + ... + 127950.

It is an arithmetic number, because the mean of its divisors is an integer number (440961290).

Almost surely, 2^7549472940 is an apocalyptic number.

It is an amenable number.

7549472940 is an abundant number, since it is smaller than the sum of its proper divisors (13616668980).

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

7549472940 is a wasteful number, since it uses less digits than its factorization.

7549472940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164402 (or 164400 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 7549472940 is about 86887.7030424904. The cubic root of 7549472940 is about 1961.7283917542.

The spelling of 7549472940 in words is "seven billion, five hundred forty-nine million, four hundred seventy-two thousand, nine hundred forty".