1404994248 has 120 divisors (see below), whose sum is σ = 4577883750. Its totient is φ = 401417856.

The previous prime is 1404994231. The next prime is 1404994249. The reversal of 1404994248 is 8424994041.

It can be written as a sum of positive squares in only one way, i.e., 1400406084 + 4588164 = 37422^2 + 2142^2 .

It is not an unprimeable number, because it can be changed into a prime (1404994249) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9628 + ... + 53876.

Almost surely, 2^1404994248 is an apocalyptic number.

1404994248 is a gapful number since it is divisible by the number (18) 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 1404994248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288941875).

1404994248 is an abundant number, since it is smaller than the sum of its proper divisors (3172889502).

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

1404994248 is a wasteful number, since it uses less digits than its factorization.

1404994248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44281 (or 44261 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1404994248 is about 37483.2529004621. The cubic root of 1404994248 is about 1120.0176038900.

The spelling of 1404994248 in words is "one billion, four hundred four million, nine hundred ninety-four thousand, two hundred forty-eight".