140223420540 has 360 divisors, whose sum is σ = 523617039792. Its totient is φ = 31304931840.

The previous prime is 140223420451. The next prime is 140223420559. The reversal of 140223420540 is 45024322041.

140223420540 is a `hidden beast` number, since 1 + 402 + 234 + 20 + 5 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3392800 + ... + 3433880.

Almost surely, 2^140223420540 is an apocalyptic number.

140223420540 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 140223420540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261808519896).

140223420540 is an abundant number, since it is smaller than the sum of its proper divisors (383393619252).

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

140223420540 is a wasteful number, since it uses less digits than its factorization.

140223420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41159 (or 41141 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 140223420540 its reverse (45024322041), we get a palindrome (185247742581).

The spelling of 140223420540 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty thousand, five hundred forty".