1408442250 has 128 divisors (see below), whose sum is σ = 3636202752. Its totient is φ = 362880000.

The previous prime is 1408442249. The next prime is 1408442261. The reversal of 1408442250 is 522448041.

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

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, 5012110 + ... + 5012390.

It is an arithmetic number, because the mean of its divisors is an integer number (28407834).

Almost surely, 2^1408442250 is an apocalyptic number.

1408442250 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 1408442250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818101376).

1408442250 is an abundant number, since it is smaller than the sum of its proper divisors (2227760502).

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

1408442250 is a wasteful number, since it uses less digits than its factorization.

1408442250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 1408442250 is about 37529.2186169656. The cubic root of 1408442250 is about 1120.9330686422.

The spelling of 1408442250 in words is "one billion, four hundred eight million, four hundred forty-two thousand, two hundred fifty".