531374272044 has 192 divisors, whose sum is σ = 1602443243520. Its totient is φ = 133033086720.

The previous prime is 531374272027. The next prime is 531374272061. The reversal of 531374272044 is 440272473135.

It is an interprime number because it is at equal distance from previous prime (531374272027) and next prime (531374272061).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 531374271987 and 531374272005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3585487 + ... + 3730745.

It is an arithmetic number, because the mean of its divisors is an integer number (8346058560).

Almost surely, 2^531374272044 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 531374272044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801221621760).

531374272044 is an abundant number, since it is smaller than the sum of its proper divisors (1071068971476).

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

531374272044 is a wasteful number, since it uses less digits than its factorization.

531374272044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145428 (or 145426 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 531374272044 in words is "five hundred thirty-one billion, three hundred seventy-four million, two hundred seventy-two thousand, forty-four".