7400640120 has 64 divisors (see below), whose sum is σ = 22215600000. Its totient is φ = 1972288128.

The previous prime is 7400640101. The next prime is 7400640151. The reversal of 7400640120 is 210460047.

It is a super-2 number, since 2×7400640120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 185731 + ... + 222029.

It is an arithmetic number, because the mean of its divisors is an integer number (347118750).

Almost surely, 2^7400640120 is an apocalyptic number.

It is an amenable number.

7400640120 is an abundant number, since it is smaller than the sum of its proper divisors (14814959880).

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

7400640120 is a wasteful number, since it uses less digits than its factorization.

7400640120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38012 (or 38008 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7400640120 is about 86026.9732118944. The cubic root of 7400640120 is about 1948.7513478873.

The spelling of 7400640120 in words is "seven billion, four hundred million, six hundred forty thousand, one hundred twenty".