4537379228820 has 96 divisors (see below), whose sum is σ = 12846562678656. Its totient is φ = 1196483520000.

The previous prime is 4537379228819. The next prime is 4537379228821. The reversal of 4537379228820 is 288229737354.

It is an interprime number because it is at equal distance from previous prime (4537379228819) and next prime (4537379228821).

It is a super-2 number, since 2×4537379228820² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4537379228821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4360095 + ... + 5299545.

It is an arithmetic number, because the mean of its divisors is an integer number (133818361236).

Almost surely, 2^{4537379228820} 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 4537379228820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6423281339328).

4537379228820 is an abundant number, since it is smaller than the sum of its proper divisors (8309183449836).

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

4537379228820 is a wasteful number, since it uses less digits than its factorization.

4537379228820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940361 (or 940359 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 4537379228820 in words is "four trillion, five hundred thirty-seven billion, three hundred seventy-nine million, two hundred twenty-eight thousand, eight hundred twenty".