140478007320 has 512 divisors, whose sum is σ = 547990272000. Its totient is φ = 31345367040.

The previous prime is 140478007297. The next prime is 140478007321. The reversal of 140478007320 is 23700874041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140478007321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 91754955 + ... + 91756485.

It is an arithmetic number, because the mean of its divisors is an integer number (1070293500).

Almost surely, 2^140478007320 is an apocalyptic number.

140478007320 is a gapful number since it is divisible by the number (10) 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 140478007320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273995136000).

140478007320 is an abundant number, since it is smaller than the sum of its proper divisors (407512264680).

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

140478007320 is a wasteful number, since it uses less digits than its factorization.

140478007320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 140478007320 in words is "one hundred forty billion, four hundred seventy-eight million, seven thousand, three hundred twenty".