1403465250 has 128 divisors (see below), whose sum is σ = 3840804864. Its totient is φ = 338520000.

The previous prime is 1403465213. The next prime is 1403465251. The reversal of 1403465250 is 525643041.

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

It is not an unprimeable number, because it can be changed into a prime (1403465251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2565477 + ... + 2566023.

It is an arithmetic number, because the mean of its divisors is an integer number (30006288).

Almost surely, 2^1403465250 is an apocalyptic number.

1403465250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403465250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920402432).

1403465250 is an abundant number, since it is smaller than the sum of its proper divisors (2437339614).

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

1403465250 is a wasteful number, since it uses less digits than its factorization.

1403465250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1403465250 is about 37462.8515999517. The cubic root of 1403465250 is about 1119.6111665751.

The spelling of 1403465250 in words is "one billion, four hundred three million, four hundred sixty-five thousand, two hundred fifty".