140444472 has 32 divisors (see below), whose sum is σ = 401270400. Its totient is φ = 40126944.

The previous prime is 140444471. The next prime is 140444483. The reversal of 140444472 is 274444041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140444471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417822 + ... + 418157.

It is an arithmetic number, because the mean of its divisors is an integer number (12539700).

Almost surely, 2^140444472 is an apocalyptic number.

140444472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140444472 is an abundant number, since it is smaller than the sum of its proper divisors (260825928).

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

140444472 is a wasteful number, since it uses less digits than its factorization.

140444472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835995 (or 835991 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

The square root of 140444472 is about 11850.9270523449. The cubic root of 140444472 is about 519.7983340290.

The spelling of 140444472 in words is "one hundred forty million, four hundred forty-four thousand, four hundred seventy-two".