1504420450 has 48 divisors (see below), whose sum is σ = 3019556736. Its totient is φ = 554356800.

The previous prime is 1504420447. The next prime is 1504420451. The reversal of 1504420450 is 540244051.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1504420451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363895 + ... + 368005.

It is an arithmetic number, because the mean of its divisors is an integer number (62907432).

Almost surely, 2^1504420450 is an apocalyptic number.

1504420450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1504420450 is an abundant number, since it is smaller than the sum of its proper divisors (1515136286).

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

1504420450 is a wasteful number, since it uses less digits than its factorization.

1504420450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699 (or 4694 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1504420450 is about 38786.8592438212. The cubic root of 1504420450 is about 1145.8376179968.

The spelling of 1504420450 in words is "one billion, five hundred four million, four hundred twenty thousand, four hundred fifty".