1501151442240 has 56 divisors (see below), whose sum is σ = 4766155832160. Its totient is φ = 400307051008.

The previous prime is 1501151442227. The next prime is 1501151442247. The reversal of 1501151442240 is 422441511051.

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

It is a junction number, because it is equal to n+sod(n) for n = 1501151442198 and 1501151442207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501151442247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781848750 + ... + 781850669.

Almost surely, 2^{1501151442240} is an apocalyptic number.

1501151442240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501151442240 is an abundant number, since it is smaller than the sum of its proper divisors (3265004389920).

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

1501151442240 is a wasteful number, since it uses less digits than its factorization.

1501151442240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563699439 (or 1563699429 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1501151442240 its reverse (422441511051), we get a palindrome (1923592953291).

The spelling of 1501151442240 in words is "one trillion, five hundred one billion, one hundred fifty-one million, four hundred forty-two thousand, two hundred forty".