1357254464072 has 64 divisors (see below), whose sum is σ = 2807625300480. Its totient is φ = 611141432832.

The previous prime is 1357254464057. The next prime is 1357254464099. The reversal of 1357254464072 is 2704644527531.

It is a self number, because there is not a number n which added to its sum of digits gives 1357254464072.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3655433 + ... + 4009575.

It is an arithmetic number, because the mean of its divisors is an integer number (43869145320).

Almost surely, 2^{1357254464072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1357254464072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403812650240).

1357254464072 is an abundant number, since it is smaller than the sum of its proper divisors (1450370836408).

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

1357254464072 is a wasteful number, since it uses less digits than its factorization.

1357254464072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355062 (or 355058 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 1357254464072 in words is "one trillion, three hundred fifty-seven billion, two hundred fifty-four million, four hundred sixty-four thousand, seventy-two".