140215405563550 has 96 divisors (see below), whose sum is σ = 285864259453920. Its totient is φ = 50931006873600.

The previous prime is 140215405563503. The next prime is 140215405563551. The reversal of 140215405563550 is 55365504512041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140215405563550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140215405563551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33182470 + ... + 37168630.

It is an arithmetic number, because the mean of its divisors is an integer number (2977752702645).

Almost surely, 2^{140215405563550} is an apocalyptic number.

140215405563550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140215405563550 is an abundant number, since it is smaller than the sum of its proper divisors (145648853890370).

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

140215405563550 is a wasteful number, since it uses less digits than its factorization.

140215405563550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987646 (or 3987641 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 140215405563550 in words is "one hundred forty trillion, two hundred fifteen billion, four hundred five million, five hundred sixty-three thousand, five hundred fifty".