5420149632 has 192 divisors, whose sum is σ = 15996810960. Its totient is φ = 1760993280.

The previous prime is 5420149601. The next prime is 5420149639. The reversal of 5420149632 is 2369410245.

It is a happy number.

5420149632 is a `hidden beast` number, since 5 + 4 + 2 + 0 + 14 + 9 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420149639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9626983 + ... + 9627545.

Almost surely, 2^5420149632 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 5420149632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7998405480).

5420149632 is an abundant number, since it is smaller than the sum of its proper divisors (10576661328).

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

5420149632 is a wasteful number, since it uses less digits than its factorization.

5420149632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 5420149632 is about 73621.6655068330. The cubic root of 5420149632 is about 1756.5900781352.

Adding to 5420149632 its reverse (2369410245), we get a palindrome (7789559877).

The spelling of 5420149632 in words is "five billion, four hundred twenty million, one hundred forty-nine thousand, six hundred thirty-two".