140041660 has 24 divisors (see below), whose sum is σ = 320823216. Its totient is φ = 50924160.

The previous prime is 140041639. The next prime is 140041697. The reversal of 140041660 is 66140041.

It is a super-2 number, since 2×140041660² = 39223333071111200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318057 + ... + 318496.

It is an arithmetic number, because the mean of its divisors is an integer number (13367634).

Almost surely, 2^140041660 is an apocalyptic number.

140041660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140041660 is an abundant number, since it is smaller than the sum of its proper divisors (180781556).

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

140041660 is a wasteful number, since it uses less digits than its factorization.

140041660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636573 (or 636571 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140041660 is about 11833.9198915659. The cubic root of 140041660 is about 519.3009096734.

The spelling of 140041660 in words is "one hundred forty million, forty-one thousand, six hundred sixty".