7572442556356 has 6 divisors (see below), whose sum is σ = 13251774473630. Its totient is φ = 3786221278176.

The previous prime is 7572442556339. The next prime is 7572442556359. The reversal of 7572442556356 is 6536552442757.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6709996013956 + 862446542400 = 2590366^2 + 928680^2 .

It is a super-2 number, since 2×7572442556356² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7572442556294 and 7572442556303.

It is not an unprimeable number, because it can be changed into a prime (7572442556359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946555319541 + ... + 946555319548.

Almost surely, 2^{7572442556356} is an apocalyptic number.

It is an amenable number.

7572442556356 is a deficient number, since it is larger than the sum of its proper divisors (5679331917274).

7572442556356 is a wasteful number, since it uses less digits than its factorization.

7572442556356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893110639093 (or 1893110639091 counting only the distinct ones).

The product of its digits is 211680000, while the sum is 61.

The spelling of 7572442556356 in words is "seven trillion, five hundred seventy-two billion, four hundred forty-two million, five hundred fifty-six thousand, three hundred fifty-six".