140672448 has 168 divisors, whose sum is σ = 465978240. Its totient is φ = 39744000.

The previous prime is 140672431. The next prime is 140672459. The reversal of 140672448 is 844276041.

140672448 is a `hidden beast` number, since 1 + 406 + 7 + 244 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560323 + ... + 560573.

It is an arithmetic number, because the mean of its divisors is an integer number (2773680).

Almost surely, 2^140672448 is an apocalyptic number.

140672448 is a gapful number since it is divisible by the number (18) 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 140672448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232989120).

140672448 is an abundant number, since it is smaller than the sum of its proper divisors (325305792).

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

140672448 is a wasteful number, since it uses less digits than its factorization.

140672448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 140672448 is about 11860.5416402456. The cubic root of 140672448 is about 520.0794355965.

The spelling of 140672448 in words is "one hundred forty million, six hundred seventy-two thousand, four hundred forty-eight".