109440690 has 32 divisors (see below), whose sum is σ = 262992960. Its totient is φ = 29146944.

The previous prime is 109440689. The next prime is 109440691. The reversal of 109440690 is 96044901.

It is an interprime number because it is at equal distance from previous prime (109440689) and next prime (109440691).

It is a super-2 number, since 2×109440690² = 23954529255352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109440691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28081 + ... + 31739.

It is an arithmetic number, because the mean of its divisors is an integer number (8218530).

Almost surely, 2^109440690 is an apocalyptic number.

109440690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109440690 is an abundant number, since it is smaller than the sum of its proper divisors (153552270).

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

109440690 is a wasteful number, since it uses less digits than its factorization.

109440690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 109440690 is about 10461.3904429574. The cubic root of 109440690 is about 478.3285178270.

The spelling of 109440690 in words is "one hundred nine million, four hundred forty thousand, six hundred ninety".