5345440402 has 4 divisors (see below), whose sum is σ = 8018160606. Its totient is φ = 2672720200.

The previous prime is 5345440393. The next prime is 5345440427. The reversal of 5345440402 is 2040445435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5221363081 + 124077321 = 72259^2 + 11139^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336360099 + ... + 1336360102.

Almost surely, 2^5345440402 is an apocalyptic number.

5345440402 is a deficient number, since it is larger than the sum of its proper divisors (2672720204).

5345440402 is a wasteful number, since it uses less digits than its factorization.

5345440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672720203.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 5345440402 is about 73112.5187775664. The cubic root of 5345440402 is about 1748.4819926727.

Adding to 5345440402 its reverse (2040445435), we get a palindrome (7385885837).

The spelling of 5345440402 in words is "five billion, three hundred forty-five million, four hundred forty thousand, four hundred two".