7557442371272 has 32 divisors (see below), whose sum is σ = 14252168787480. Its totient is φ = 3756912230400.

The previous prime is 7557442371223. The next prime is 7557442371287. The reversal of 7557442371272 is 2721732447557.

It can be written as a sum of positive squares in 4 ways, for example, as 2045775253636 + 5511667117636 = 1430306^2 + 2347694^2 .

It is a super-4 number, since 4×7557442371272⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757729 + ... + 4266672.

Almost surely, 2^{7557442371272} is an apocalyptic number.

It is an amenable number.

7557442371272 is a deficient number, since it is larger than the sum of its proper divisors (6694726416208).

7557442371272 is a wasteful number, since it uses less digits than its factorization.

7557442371272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025313 (or 6025309 counting only the distinct ones).

The product of its digits is 23049600, while the sum is 56.

The spelling of 7557442371272 in words is "seven trillion, five hundred fifty-seven billion, four hundred forty-two million, three hundred seventy-one thousand, two hundred seventy-two".