5427640890 has 192 divisors, whose sum is σ = 17525514240. Its totient is φ = 1137317760.

The previous prime is 5427640879. The next prime is 5427640891. The reversal of 5427640890 is 980467245.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5427640891) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 363757 + ... + 378383.

It is an arithmetic number, because the mean of its divisors is an integer number (91278720).

Almost surely, 2^5427640890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5427640890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8762757120).

5427640890 is an abundant number, since it is smaller than the sum of its proper divisors (12097873350).

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

5427640890 is a wasteful number, since it uses less digits than its factorization.

5427640890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14697 (or 14694 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 5427640890 is about 73672.5246615046. The cubic root of 5427640890 is about 1757.3989741116.

The spelling of 5427640890 in words is "five billion, four hundred twenty-seven million, six hundred forty thousand, eight hundred ninety".