537901071840 has 768 divisors, whose sum is σ = 2182627399680. Its totient is φ = 122277888000.

The previous prime is 537901071839. The next prime is 537901071863. The reversal of 537901071840 is 48170109735.

537901071840 is a `hidden beast` number, since 537 + 9 + 0 + 1 + 0 + 71 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 251237170 + ... + 251239310.

It is an arithmetic number, because the mean of its divisors is an integer number (2841962760).

Almost surely, 2^537901071840 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 537901071840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091313699840).

537901071840 is an abundant number, since it is smaller than the sum of its proper divisors (1644726327840).

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

537901071840 is a wasteful number, since it uses less digits than its factorization.

537901071840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 537901071840 in words is "five hundred thirty-seven billion, nine hundred one million, seventy-one thousand, eight hundred forty".