195264440 has 32 divisors (see below), whose sum is σ = 502109280. Its totient is φ = 66947712.

The previous prime is 195264437. The next prime is 195264451. The reversal of 195264440 is 44462591.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 195264440.

It is a congruent number.

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, 348407 + ... + 348966.

It is an arithmetic number, because the mean of its divisors is an integer number (15690915).

Almost surely, 2^195264440 is an apocalyptic number.

195264440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195264440 is an abundant number, since it is smaller than the sum of its proper divisors (306844840).

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

195264440 is a wasteful number, since it uses less digits than its factorization.

195264440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697391 (or 697387 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 195264440 is about 13973.7053067538. The cubic root of 195264440 is about 580.1510110157.

The spelling of 195264440 in words is "one hundred ninety-five million, two hundred sixty-four thousand, four hundred forty".