5405323040 has 96 divisors (see below), whose sum is σ = 13834663920. Its totient is φ = 1995681792.

The previous prime is 5405323039. The next prime is 5405323057. The reversal of 5405323040 is 403235045.

It can be written as a sum of positive squares in 8 ways, for example, as 78074896 + 5327248144 = 8836^2 + 72988^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 343832 + ... + 359208.

Almost surely, 2^5405323040 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 5405323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6917331960).

5405323040 is an abundant number, since it is smaller than the sum of its proper divisors (8429340880).

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

5405323040 is a wasteful number, since it uses less digits than its factorization.

5405323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15431 (or 15397 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 5405323040 is about 73520.9020619307. The cubic root of 5405323040 is about 1754.9869226277.

Adding to 5405323040 its reverse (403235045), we get a palindrome (5808558085).

The spelling of 5405323040 in words is "five billion, four hundred five million, three hundred twenty-three thousand, forty".