36469923840 has 672 divisors, whose sum is σ = 151056502560. Its totient is φ = 8323596288.

The previous prime is 36469923823. The next prime is 36469923871. The reversal of 36469923840 is 4832996463.

36469923840 is a `hidden beast` number, since 364 + 6 + 9 + 9 + 238 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 54189744 + ... + 54190416.

Almost surely, 2^36469923840 is an apocalyptic number.

36469923840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36469923840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75528251280).

36469923840 is an abundant number, since it is smaller than the sum of its proper divisors (114586578720).

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

36469923840 is an equidigital number, since it uses as much as digits as its factorization.

36469923840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 36469923840 in words is "thirty-six billion, four hundred sixty-nine million, nine hundred twenty-three thousand, eight hundred forty".