7452240426 has 12 divisors (see below), whose sum is σ = 16146520962. Its totient is φ = 2484080136.

The previous prime is 7452240413. The next prime is 7452240427. The reversal of 7452240426 is 6240422547.

7452240426 is a `hidden beast` number, since 7 + 4 + 5 + 224 + 0 + 426 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6447287025 + 1004953401 = 80295^2 + 31701^2 .

It is a super-2 number, since 2×7452240426² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7452240427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207006661 + ... + 207006696.

Almost surely, 2^7452240426 is an apocalyptic number.

7452240426 is an abundant number, since it is smaller than the sum of its proper divisors (8694280536).

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

7452240426 is a wasteful number, since it uses less digits than its factorization.

7452240426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414013365 (or 414013362 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 7452240426 is about 86326.3599719112. The cubic root of 7452240426 is about 1953.2700273087.

The spelling of 7452240426 in words is "seven billion, four hundred fifty-two million, two hundred forty thousand, four hundred twenty-six".