1374376440 has 64 divisors (see below), whose sum is σ = 4145974560. Its totient is φ = 364469760.

The previous prime is 1374376403. The next prime is 1374376459. The reversal of 1374376440 is 446734731.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9919 + ... + 53358.

Almost surely, 2^1374376440 is an apocalyptic number.

1374376440 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 1374376440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2072987280).

1374376440 is an abundant number, since it is smaller than the sum of its proper divisors (2771598120).

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

1374376440 is a wasteful number, since it uses less digits than its factorization.

1374376440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63472 (or 63468 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 1374376440 is about 37072.5834006750. The cubic root of 1374376440 is about 1111.8219247134.

The spelling of 1374376440 in words is "one billion, three hundred seventy-four million, three hundred seventy-six thousand, four hundred forty".