1451392940 has 24 divisors (see below), whose sum is σ = 3076414992. Its totient is φ = 575130560.

The previous prime is 1451392847. The next prime is 1451392967. The reversal of 1451392940 is 492931541.

It is a junction number, because it is equal to n+sod(n) for n = 1451392894 and 1451392903.

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, 336971 + ... + 341250.

It is an arithmetic number, because the mean of its divisors is an integer number (128183958).

Almost surely, 2^1451392940 is an apocalyptic number.

1451392940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451392940 is an abundant number, since it is smaller than the sum of its proper divisors (1625022052).

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

1451392940 is a wasteful number, since it uses less digits than its factorization.

1451392940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678337 (or 678335 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1451392940 is about 38097.1513370751. The cubic root of 1451392940 is about 1132.2135169333.

The spelling of 1451392940 in words is "one billion, four hundred fifty-one million, three hundred ninety-two thousand, nine hundred forty".