1424399625 has 192 divisors, whose sum is σ = 2990407680. Its totient is φ = 645840000.

The previous prime is 1424399617. The next prime is 1424399629. The reversal of 1424399625 is 5269934241.

1424399625 is a `hidden beast` number, since 14 + 2 + 4 + 3 + 9 + 9 + 625 = 666.

It is not a de Polignac number, because 1424399625 - 2³ = 1424399617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1424399629) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18030336 + ... + 18030414.

It is an arithmetic number, because the mean of its divisors is an integer number (15575040).

Almost surely, 2^1424399625 is an apocalyptic number.

1424399625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424399625 is an abundant number, since it is smaller than the sum of its proper divisors (1566008055).

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

1424399625 is a wasteful number, since it uses less digits than its factorization.

1424399625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 176 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 1424399625 is about 37741.2191774458. The cubic root of 1424399625 is about 1125.1504983845.

The spelling of 1424399625 in words is "one billion, four hundred twenty-four million, three hundred ninety-nine thousand, six hundred twenty-five".