5440551402 has 64 divisors (see below), whose sum is σ = 12857636736. Its totient is φ = 1512994560.

The previous prime is 5440551397. The next prime is 5440551419. The reversal of 5440551402 is 2041550445.

It is a self number, because there is not a number n which added to its sum of digits gives 5440551402.

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, 130108 + ... + 166760.

It is an arithmetic number, because the mean of its divisors is an integer number (200900574).

Almost surely, 2^5440551402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5440551402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6428818368).

5440551402 is an abundant number, since it is smaller than the sum of its proper divisors (7417085334).

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

5440551402 is a wasteful number, since it uses less digits than its factorization.

5440551402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36855.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 5440551402 is about 73760.0935601359. The cubic root of 5440551402 is about 1758.7912889311.

The spelling of 5440551402 in words is "five billion, four hundred forty million, five hundred fifty-one thousand, four hundred two".