1374465842640 has 960 divisors, whose sum is σ = 5588777295360. Its totient is φ = 309115699200.

The previous prime is 1374465842611. The next prime is 1374465842641. The reversal of 1374465842640 is 462485644731.

1374465842640 is a `hidden beast` number, since 1 + 37 + 4 + 4 + 6 + 584 + 26 + 4 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374465842641) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 315459342 + ... + 315463698.

It is an arithmetic number, because the mean of its divisors is an integer number (5821643016).

Almost surely, 2^{1374465842640} is an apocalyptic number.

1374465842640 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 1374465842640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2794388647680).

1374465842640 is an abundant number, since it is smaller than the sum of its proper divisors (4214311452720).

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

1374465842640 is a wasteful number, since it uses less digits than its factorization.

1374465842640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 1374465842640 in words is "one trillion, three hundred seventy-four billion, four hundred sixty-five million, eight hundred forty-two thousand, six hundred forty".