1501232940 has 360 divisors, whose sum is σ = 5297558112. Its totient is φ = 354585600.

The previous prime is 1501232927. The next prime is 1501232963. The reversal of 1501232940 is 492321051.

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

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, 9941865 + ... + 9942015.

Almost surely, 2^1501232940 is an apocalyptic number.

1501232940 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 1501232940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648779056).

1501232940 is an abundant number, since it is smaller than the sum of its proper divisors (3796325172).

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

1501232940 is a wasteful number, since it uses less digits than its factorization.

1501232940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1501232940 is about 38745.7473795512. The cubic root of 1501232940 is about 1145.0277931000.

Adding to 1501232940 its reverse (492321051), we get a palindrome (1993553991).

The spelling of 1501232940 in words is "one billion, five hundred one million, two hundred thirty-two thousand, nine hundred forty".