40369023648 has 120 divisors (see below), whose sum is σ = 118800978912. Its totient is φ = 13447638144.

The previous prime is 40369023593. The next prime is 40369023649. The reversal of 40369023648 is 84632096304.

40369023648 is a `hidden beast` number, since 403 + 6 + 9 + 0 + 236 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (40369023649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4938861 + ... + 4947027.

Almost surely, 2^40369023648 is an apocalyptic number.

40369023648 is a gapful number since it is divisible by the number (48) 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 40369023648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59400489456).

40369023648 is an abundant number, since it is smaller than the sum of its proper divisors (78431955264).

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

40369023648 is a wasteful number, since it uses less digits than its factorization.

40369023648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096 (or 10079 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 40369023648 in words is "forty billion, three hundred sixty-nine million, twenty-three thousand, six hundred forty-eight".