6361692540 has 108 divisors (see below), whose sum is σ = 20735037288. Its totient is φ = 1453112640.

The previous prime is 6361692511. The next prime is 6361692541. The reversal of 6361692540 is 452961636.

It is a super-2 number, since 2×6361692540² = 80942263946983303200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6361692492 and 6361692501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361692541) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4324005 + ... + 4325475.

It is an arithmetic number, because the mean of its divisors is an integer number (191991086).

Almost surely, 2^6361692540 is an apocalyptic number.

6361692540 is a gapful number since it is divisible by the number (60) 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 6361692540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10367518644).

6361692540 is an abundant number, since it is smaller than the sum of its proper divisors (14373344748).

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

6361692540 is a wasteful number, since it uses less digits than its factorization.

6361692540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 6361692540 is about 79760.2190317955. The cubic root of 6361692540 is about 1852.9237955087.

The spelling of 6361692540 in words is "six billion, three hundred sixty-one million, six hundred ninety-two thousand, five hundred forty".