5491652040 has 256 divisors, whose sum is σ = 21830860800. Its totient is φ = 1200621312.

The previous prime is 5491652029. The next prime is 5491652051. The reversal of 5491652040 is 402561945.

5491652040 is a `hidden beast` number, since 5 + 4 + 91 + 6 + 520 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (5491652029) and next prime (5491652051).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5491651986 and 5491652004.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158089 + ... + 189671.

It is an arithmetic number, because the mean of its divisors is an integer number (85276800).

Almost surely, 2^5491652040 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 5491652040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10915430400).

5491652040 is an abundant number, since it is smaller than the sum of its proper divisors (16339208760).

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

5491652040 is a wasteful number, since it uses less digits than its factorization.

5491652040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31633 (or 31623 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5491652040 is about 74105.6815635616. The cubic root of 5491652040 is about 1764.2806485767.

The spelling of 5491652040 in words is "five billion, four hundred ninety-one million, six hundred fifty-two thousand, forty".