7500536444 has 12 divisors (see below), whose sum is σ = 13816777800. Its totient is φ = 3552885648.

The previous prime is 7500536429. The next prime is 7500536471. The reversal of 7500536444 is 4446350057.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 7500536398 and 7500536407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49345559 + ... + 49345710.

It is an arithmetic number, because the mean of its divisors is an integer number (1151398150).

Almost surely, 2^7500536444 is an apocalyptic number.

It is an amenable number.

7500536444 is a deficient number, since it is larger than the sum of its proper divisors (6316241356).

7500536444 is a wasteful number, since it uses less digits than its factorization.

7500536444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98691292 (or 98691290 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 7500536444 is about 86605.6374839421. The cubic root of 7500536444 is about 1957.4804885219.

The spelling of 7500536444 in words is "seven billion, five hundred million, five hundred thirty-six thousand, four hundred forty-four".