1455192378240 has 256 divisors, whose sum is σ = 4705991136000. Its totient is φ = 382427578368.

The previous prime is 1455192378239. The next prime is 1455192378253. The reversal of 1455192378240 is 428732915541.

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, 52446291 + ... + 52474029.

It is an arithmetic number, because the mean of its divisors is an integer number (18382777875).

Almost surely, 2^{1455192378240} is an apocalyptic number.

1455192378240 is a gapful number since it is divisible by the number (10) 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 1455192378240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352995568000).

1455192378240 is an abundant number, since it is smaller than the sum of its proper divisors (3250798757760).

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

1455192378240 is a wasteful number, since it uses less digits than its factorization.

1455192378240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28157 (or 28145 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 1455192378240 in words is "one trillion, four hundred fifty-five billion, one hundred ninety-two million, three hundred seventy-eight thousand, two hundred forty".