5402344440 has 64 divisors (see below), whose sum is σ = 16481750400. Its totient is φ = 1416205952.

The previous prime is 5402344429. The next prime is 5402344483. The reversal of 5402344440 is 444432045.

It is a super-3 number, since 3×5402344440³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5402344398 and 5402344407.

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, 374442 + ... + 388601.

It is an arithmetic number, because the mean of its divisors is an integer number (257527350).

Almost surely, 2^5402344440 is an apocalyptic number.

It is an amenable number.

5402344440 is an abundant number, since it is smaller than the sum of its proper divisors (11079405960).

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

5402344440 is a wasteful number, since it uses less digits than its factorization.

5402344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763116 (or 763112 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 5402344440 is about 73500.6424461719. The cubic root of 5402344440 is about 1754.6645019023.

Adding to 5402344440 its reverse (444432045), we get a palindrome (5846776485).

The spelling of 5402344440 in words is "five billion, four hundred two million, three hundred forty-four thousand, four hundred forty".