1540031330550 has 48 divisors (see below), whose sum is σ = 3820102015680. Its totient is φ = 410586385440.

The previous prime is 1540031330533. The next prime is 1540031330587. The reversal of 1540031330550 is 550331300451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409180 + ... + 1802079.

It is an arithmetic number, because the mean of its divisors is an integer number (79585458660).

Almost surely, 2^{1540031330550} is an apocalyptic number.

1540031330550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540031330550 is an abundant number, since it is smaller than the sum of its proper divisors (2280070685130).

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

1540031330550 is a wasteful number, since it uses less digits than its factorization.

1540031330550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215917 (or 2215912 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 1540031330550 in words is "one trillion, five hundred forty billion, thirty-one million, three hundred thirty thousand, five hundred fifty".