1374400940 has 24 divisors (see below), whose sum is σ = 3148628112. Its totient is φ = 499782080.

The previous prime is 1374400939. The next prime is 1374400961. The reversal of 1374400940 is 490044731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1374400897 and 1374400906.

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 7 ways as a sum of consecutive naturals, for example, 3123419 + ... + 3123858.

It is an arithmetic number, because the mean of its divisors is an integer number (131192838).

Almost surely, 2^1374400940 is an apocalyptic number.

1374400940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374400940 is an abundant number, since it is smaller than the sum of its proper divisors (1774227172).

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

1374400940 is a wasteful number, since it uses less digits than its factorization.

1374400940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247297 (or 6247295 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1374400940 is about 37072.9138320688. The cubic root of 1374400940 is about 1111.8285312186.

The spelling of 1374400940 in words is "one billion, three hundred seventy-four million, four hundred thousand, nine hundred forty".