675490338144 has 72 divisors (see below), whose sum is σ = 1970250617160. Its totient is φ = 225155393280.

The previous prime is 675490338101. The next prime is 675490338157. The reversal of 675490338144 is 441833094576.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

675490338144 is a `hidden beast` number, since 6 + 7 + 5 + 490 + 3 + 3 + 8 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×675490338144² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24144324 + ... + 24172284.

It is an arithmetic number, because the mean of its divisors is an integer number (27364591905).

Almost surely, 2^675490338144 is an apocalyptic number.

It is an amenable number.

675490338144 is an abundant number, since it is smaller than the sum of its proper divisors (1294760279016).

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

675490338144 is an frugal number, since it uses more digits than its factorization.

675490338144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55941 (or 27966 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

Multiplying 675490338144 by its sum of digits (54), we get a square (36476478259776 = 6039576²).

675490338144 divided by its sum of digits (54) gives a square (12509080336 = 111844²).

The spelling of 675490338144 in words is "six hundred seventy-five billion, four hundred ninety million, three hundred thirty-eight thousand, one hundred forty-four".