1398124044 has 96 divisors (see below), whose sum is σ = 3861984000. Its totient is φ = 436140288.

The previous prime is 1398124033. The next prime is 1398124061. The reversal of 1398124044 is 4404218931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166212 + ... + 174420.

It is an arithmetic number, because the mean of its divisors is an integer number (40229000).

Almost surely, 2^1398124044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398124044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930992000).

1398124044 is an abundant number, since it is smaller than the sum of its proper divisors (2463859956).

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

1398124044 is a wasteful number, since it uses less digits than its factorization.

1398124044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324 (or 8316 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1398124044 is about 37391.4969478356. The cubic root of 1398124044 is about 1118.1890493935.

It can be divided in two parts, 13981 and 24044, that added together give a square (38025 = 195²).

The spelling of 1398124044 in words is "one billion, three hundred ninety-eight million, one hundred twenty-four thousand, forty-four".