44690000 has 100 divisors (see below), whose sum is σ = 111854820. Its totient is φ = 17280000.

The previous prime is 44689999. The next prime is 44690021. The reversal of 44690000 is 9644.

It can be written as a sum of positive squares in 10 ways, for example, as 40246336 + 4443664 = 6344^2 + 2108^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×44690000² = 3994392200000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 409946 + ... + 410054.

Almost surely, 2^44690000 is an apocalyptic number.

44690000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55927410).

44690000 is an abundant number, since it is smaller than the sum of its proper divisors (67164820).

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

44690000 is a wasteful number, since it uses less digits than its factorization.

44690000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 44690000 is about 6685.0579653433. The cubic root of 44690000 is about 354.8706796042.

Adding to 44690000 its reverse (9644), we get a palindrome (44699644).

The spelling of 44690000 in words is "forty-four million, six hundred ninety thousand".