51196040 has 64 divisors (see below), whose sum is σ = 133660800. Its totient is φ = 17284608.

The previous prime is 51196009. The next prime is 51196069. The reversal of 51196040 is 4069115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17396 + ... + 20124.

It is an arithmetic number, because the mean of its divisors is an integer number (2088450).

Almost surely, 2^51196040 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 51196040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66830400).

51196040 is an abundant number, since it is smaller than the sum of its proper divisors (82464760).

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

51196040 is a wasteful number, since it uses less digits than its factorization.

51196040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51196040 is about 7155.1408092364. The cubic root of 51196040 is about 371.3175331652.

It can be divided in two parts, 511960 and 40, that added together give a cube (512000 = 80³).

The spelling of 51196040 in words is "fifty-one million, one hundred ninety-six thousand, forty".