5400120437 has 18 divisors (see below), whose sum is σ = 5619307554. Its totient is φ = 5189205600.

The previous prime is 5400120379. The next prime is 5400120449. The reversal of 5400120437 is 7340210045.

It can be written as a sum of positive squares in 3 ways, for example, as 4235536561 + 1164583876 = 65081^2 + 34126^2 .

It is not a de Polignac number, because 5400120437 - 2¹⁴ = 5400104053 is a prime.

It is a super-2 number, since 2×5400120437² = 58322601468210141938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400120457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31214483 + ... + 31214655.

It is an arithmetic number, because the mean of its divisors is an integer number (312183753).

Almost surely, 2^5400120437 is an apocalyptic number.

It is an amenable number.

5400120437 is a deficient number, since it is larger than the sum of its proper divisors (219187117).

5400120437 is an equidigital number, since it uses as much as digits as its factorization.

5400120437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 5400120437 is about 73485.5117489155. The cubic root of 5400120437 is about 1754.4236857909.

The spelling of 5400120437 in words is "five billion, four hundred million, one hundred twenty thousand, four hundred thirty-seven".