1397024750448 has 80 divisors (see below), whose sum is σ = 4013938225440. Its totient is φ = 465215072256.

The previous prime is 1397024750437. The next prime is 1397024750497. The reversal of 1397024750448 is 8440574207931.

1397024750448 is a `hidden beast` number, since 1 + 3 + 9 + 70 + 24 + 7 + 504 + 48 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1397024750394 and 1397024750403.

It is a congruent number.

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, 1158561 + ... + 2033792.

It is an arithmetic number, because the mean of its divisors is an integer number (50174227818).

Almost surely, 2^{1397024750448} is an apocalyptic number.

1397024750448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1397024750448 is an abundant number, since it is smaller than the sum of its proper divisors (2616913474992).

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

1397024750448 is a wasteful number, since it uses less digits than its factorization.

1397024750448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193383 (or 3193371 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 1397024750448 in words is "one trillion, three hundred ninety-seven billion, twenty-four million, seven hundred fifty thousand, four hundred forty-eight".