1425400290 has 48 divisors (see below), whose sum is σ = 3714984000. Its totient is φ = 379189536.

The previous prime is 1425400289. The next prime is 1425400307. The reversal of 1425400290 is 920045241.

It is a super-3 number, since 3×1425400290³ (a number of 28 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 18811 + ... + 56609.

It is an arithmetic number, because the mean of its divisors is an integer number (77395500).

Almost surely, 2^1425400290 is an apocalyptic number.

1425400290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425400290 is an abundant number, since it is smaller than the sum of its proper divisors (2289583710).

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

1425400290 is a wasteful number, since it uses less digits than its factorization.

1425400290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38231 (or 38228 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1425400290 is about 37754.4737746403. The cubic root of 1425400290 is about 1125.4139158394.

The spelling of 1425400290 in words is "one billion, four hundred twenty-five million, four hundred thousand, two hundred ninety".