5407421652 has 84 divisors (see below), whose sum is σ = 14238664020. Its totient is φ = 1796038272.

The previous prime is 5407421633. The next prime is 5407421671. The reversal of 5407421652 is 2561247045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5407421633) and next prime (5407421671).

It can be written as a sum of positive squares in 2 ways, for example, as 4695812676 + 711608976 = 68526^2 + 26676^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 851224 + ... + 857552.

It is an arithmetic number, because the mean of its divisors is an integer number (169507905).

Almost surely, 2^5407421652 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 5407421652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7119332010).

5407421652 is an abundant number, since it is smaller than the sum of its proper divisors (8831242368).

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

5407421652 is a wasteful number, since it uses less digits than its factorization.

5407421652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644 (or 6627 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 5407421652 is about 73535.1728902571. The cubic root of 5407421652 is about 1755.2140172926.

Adding to 5407421652 its reverse (2561247045), we get a palindrome (7968668697).

The spelling of 5407421652 in words is "five billion, four hundred seven million, four hundred twenty-one thousand, six hundred fifty-two".