1501242450 has 24 divisors (see below), whose sum is σ = 3723081648. Its totient is φ = 400331280.

The previous prime is 1501242439. The next prime is 1501242539. The reversal of 1501242450 is 542421051.

It is a self number, because there is not a number n which added to its sum of digits gives 1501242450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5003992 + ... + 5004291.

It is an arithmetic number, because the mean of its divisors is an integer number (155128402).

Almost surely, 2^1501242450 is an apocalyptic number.

1501242450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1501242450 is an abundant number, since it is smaller than the sum of its proper divisors (2221839198).

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

1501242450 is a wasteful number, since it uses less digits than its factorization.

1501242450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008298 (or 10008293 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1501242450 is about 38745.8701025025. The cubic root of 1501242450 is about 1145.0302109329.

It can be divided in two parts, 1501 and 242450, that added together give a triangular number (243951 = T₆₉₈).

The spelling of 1501242450 in words is "one billion, five hundred one million, two hundred forty-two thousand, four hundred fifty".