1505040342040 has 128 divisors (see below), whose sum is σ = 3472611912000. Its totient is φ = 586934304768.

The previous prime is 1505040342031. The next prime is 1505040342083. The reversal of 1505040342040 is 402430405051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68471532 + ... + 68493508.

Almost surely, 2^{1505040342040} is an apocalyptic number.

1505040342040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1505040342040 is an abundant number, since it is smaller than the sum of its proper divisors (1967571569960).

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

1505040342040 is a wasteful number, since it uses less digits than its factorization.

1505040342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22349 (or 22345 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 1505040342040 its reverse (402430405051), we get a palindrome (1907470747091).

The spelling of 1505040342040 in words is "one trillion, five hundred five billion, forty million, three hundred forty-two thousand, forty".