1501309740 has 192 divisors, whose sum is σ = 4972391424. Its totient is φ = 331333632.

The previous prime is 1501309721. The next prime is 1501309801. The reversal of 1501309740 is 479031051.

1501309740 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 = 1501309698 and 1501309707.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1751392 + ... + 1752248.

It is an arithmetic number, because the mean of its divisors is an integer number (25897872).

Almost surely, 2^1501309740 is an apocalyptic number.

1501309740 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 1501309740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486195712).

1501309740 is an abundant number, since it is smaller than the sum of its proper divisors (3471081684).

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

1501309740 is a wasteful number, since it uses less digits than its factorization.

1501309740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1501309740 is about 38746.7384433839. The cubic root of 1501309740 is about 1145.0473185253.

The spelling of 1501309740 in words is "one billion, five hundred one million, three hundred nine thousand, seven hundred forty".