1430426690 has 64 divisors (see below), whose sum is σ = 3246324480. Its totient is φ = 440816640.

The previous prime is 1430426681. The next prime is 1430426713. The reversal of 1430426690 is 966240341.

It is a super-2 number, since 2×1430426690² = 4092241030928712200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1430426690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58094 + ... + 78966.

It is an arithmetic number, because the mean of its divisors is an integer number (50723820).

Almost surely, 2^1430426690 is an apocalyptic number.

1430426690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430426690 is an abundant number, since it is smaller than the sum of its proper divisors (1815897790).

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

1430426690 is a wasteful number, since it uses less digits than its factorization.

1430426690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20987.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1430426690 is about 37820.9821395479. The cubic root of 1430426690 is about 1126.7352158651.

The spelling of 1430426690 in words is "one billion, four hundred thirty million, four hundred twenty-six thousand, six hundred ninety".