52458635240 has 192 divisors, whose sum is σ = 135026196480. Its totient is φ = 18308505600.

The previous prime is 52458635237. The next prime is 52458635303. The reversal of 52458635240 is 4253685425.

It is a super-2 number, since 2×52458635240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 52458635191 and 52458635200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19053704 + ... + 19056456.

It is an arithmetic number, because the mean of its divisors is an integer number (703261440).

Almost surely, 2^52458635240 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 52458635240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67513098240).

52458635240 is an abundant number, since it is smaller than the sum of its proper divisors (82567561240).

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

52458635240 is a wasteful number, since it uses less digits than its factorization.

52458635240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 52458635240 in words is "fifty-two billion, four hundred fifty-eight million, six hundred thirty-five thousand, two hundred forty".