44129902 has 8 divisors (see below), whose sum is σ = 66421656. Its totient is φ = 21989352.

The previous prime is 44129881. The next prime is 44129923. The reversal of 44129902 is 20992144.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44129881) and next prime (44129923).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37068 + ... + 38239.

It is an arithmetic number, because the mean of its divisors is an integer number (8302707).

Almost surely, 2^44129902 is an apocalyptic number.

44129902 is a deficient number, since it is larger than the sum of its proper divisors (22291754).

44129902 is a wasteful number, since it uses less digits than its factorization.

44129902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75602.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 44129902 is about 6643.0340959534. The cubic root of 44129902 is about 353.3819159098.

The spelling of 44129902 in words is "forty-four million, one hundred twenty-nine thousand, nine hundred two".