1392423480 has 256 divisors, whose sum is σ = 5385600000. Its totient is φ = 313403904.

The previous prime is 1392423469. The next prime is 1392423491. The reversal of 1392423480 is 843242931.

1392423480 is a `hidden beast` number, since 139 + 2 + 42 + 3 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (1392423469) and next prime (1392423491).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 505146 + ... + 507894.

It is an arithmetic number, because the mean of its divisors is an integer number (21037500).

Almost surely, 2^1392423480 is an apocalyptic number.

1392423480 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 1392423480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692800000).

1392423480 is an abundant number, since it is smaller than the sum of its proper divisors (3993176520).

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

1392423480 is a wasteful number, since it uses less digits than its factorization.

1392423480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1392423480 is about 37315.1910084888. The cubic root of 1392423480 is about 1116.6672504143.

The spelling of 1392423480 in words is "one billion, three hundred ninety-two million, four hundred twenty-three thousand, four hundred eighty".