14492421990 has 80 divisors (see below), whose sum is σ = 39202222752. Its totient is φ = 3841468416.

The previous prime is 14492421961. The next prime is 14492422019. The reversal of 14492421990 is 9912429441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14492421961) and next prime (14492422019).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81702 + ... + 188838.

Almost surely, 2^14492421990 is an apocalyptic number.

14492421990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14492421990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19601111376).

14492421990 is an abundant number, since it is smaller than the sum of its proper divisors (24709800762).

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

14492421990 is a wasteful number, since it uses less digits than its factorization.

14492421990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107323 (or 107314 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 14492421990 in words is "fourteen billion, four hundred ninety-two million, four hundred twenty-one thousand, nine hundred ninety".