1374257040 has 160 divisors (see below), whose sum is σ = 4619870976. Its totient is φ = 335923200.

The previous prime is 1374257009. The next prime is 1374257041. The reversal of 1374257040 is 407524731.

It is a junction number, because it is equal to n+sod(n) for n = 1374256992 and 1374257010.

It is not an unprimeable number, because it can be changed into a prime (1374257041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469662 + ... + 472578.

Almost surely, 2^1374257040 is an apocalyptic number.

1374257040 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 1374257040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2309935488).

1374257040 is an abundant number, since it is smaller than the sum of its proper divisors (3245613936).

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

1374257040 is a wasteful number, since it uses less digits than its factorization.

1374257040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 1374257040 is about 37070.9730112389. The cubic root of 1374257040 is about 1111.7897269888.

The spelling of 1374257040 in words is "one billion, three hundred seventy-four million, two hundred fifty-seven thousand, forty".