499393473638400 has 2340 divisors, whose sum is σ = 2140430472041400. Its totient is φ = 114688858521600.

The previous prime is 499393473638363. The next prime is 499393473638431. The reversal of 499393473638400 is 4836374393994.

499393473638400 is a `hidden beast` number, since 4 + 9 + 9 + 3 + 93 + 4 + 73 + 63 + 8 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 19068812506 + ... + 19068838694.

Almost surely, 2^{499393473638400} is an apocalyptic number.

499393473638400 is a gapful number since it is divisible by the number (40) 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 499393473638400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070215236020700).

499393473638400 is an abundant number, since it is smaller than the sum of its proper divisors (1641036998403000).

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

499393473638400 is a wasteful number, since it uses less digits than its factorization.

499393473638400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26276 (or 26229 counting only the distinct ones).

The product of its (nonzero) digits is 1269789696, while the sum is 72.

The spelling of 499393473638400 in words is "four hundred ninety-nine trillion, three hundred ninety-three billion, four hundred seventy-three million, six hundred thirty-eight thousand, four hundred".