1475453740272 has 160 divisors (see below), whose sum is σ = 3969974072064. Its totient is φ = 471808972800.

The previous prime is 1475453740261. The next prime is 1475453740309. The reversal of 1475453740272 is 2720473545741.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75279978 + ... + 75299574.

Almost surely, 2^{1475453740272} is an apocalyptic number.

1475453740272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1475453740272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984987036032).

1475453740272 is an abundant number, since it is smaller than the sum of its proper divisors (2494520331792).

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

1475453740272 is a wasteful number, since it uses less digits than its factorization.

1475453740272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20287 (or 20281 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 51.

The spelling of 1475453740272 in words is "one trillion, four hundred seventy-five billion, four hundred fifty-three million, seven hundred forty thousand, two hundred seventy-two".