36061440 has 72 divisors (see below), whose sum is σ = 115183488. Its totient is φ = 9615360.

The previous prime is 36061409. The next prime is 36061483. The reversal of 36061440 is 4416063.

Added to its reverse (4416063) it gives a triangular number (40477503 = T₈₉₉₇).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 36061440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856 + ... + 8535.

Almost surely, 2^36061440 is an apocalyptic number.

36061440 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 36061440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57591744).

36061440 is an abundant number, since it is smaller than the sum of its proper divisors (79122048).

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

36061440 is an equidigital number, since it uses as much as digits as its factorization.

36061440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415 (or 9401 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 36061440 is about 6005.1178173288. The cubic root of 36061440 is about 330.3804611013.

Adding to 36061440 its reverse (4416063), we get a triangular number (40477503 = T₈₉₉₇).

The spelling of 36061440 in words is "thirty-six million, sixty-one thousand, four hundred forty".