36479139840 has 768 divisors, whose sum is σ = 149426091360. Its totient is φ = 8115978240.

The previous prime is 36479139839. The next prime is 36479139841. The reversal of 36479139840 is 4893197463.

It is a happy number.

36479139840 is a `hidden beast` number, since 36 + 479 + 13 + 98 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (36479139839) and next prime (36479139841).

It is a tau number, because it is divible by the number of its divisors (768).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36479139841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210861994 + ... + 210862166.

Almost surely, 2^36479139840 is an apocalyptic number.

36479139840 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 36479139840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74713045680).

36479139840 is an abundant number, since it is smaller than the sum of its proper divisors (112946951520).

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

36479139840 is a wasteful number, since it uses less digits than its factorization.

36479139840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 36479139840 in words is "thirty-six billion, four hundred seventy-nine million, one hundred thirty-nine thousand, eight hundred forty".