1402549044 has 48 divisors (see below), whose sum is σ = 3535808640. Its totient is φ = 430151040.

The previous prime is 1402549021. The next prime is 1402549051. The reversal of 1402549044 is 4409452041.

It is a junction number, because it is equal to n+sod(n) for n = 1402548996 and 1402549014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34062 + ... + 62970.

It is an arithmetic number, because the mean of its divisors is an integer number (73662680).

Almost surely, 2^1402549044 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 1402549044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767904320).

1402549044 is an abundant number, since it is smaller than the sum of its proper divisors (2133259596).

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

1402549044 is a wasteful number, since it uses less digits than its factorization.

1402549044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29240 (or 29238 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1402549044 is about 37450.6214100647. The cubic root of 1402549044 is about 1119.3674797986.

The spelling of 1402549044 in words is "one billion, four hundred two million, five hundred forty-nine thousand, forty-four".