40207883851632 has 160 divisors (see below), whose sum is σ = 120736599220224. Its totient is φ = 11292001228800.

The previous prime is 40207883851621. The next prime is 40207883851637. The reversal of 40207883851632 is 23615838870204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40207883851637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29692273 + ... + 31016879.

Almost surely, 2^{40207883851632} is an apocalyptic number.

40207883851632 is a gapful number since it is divisible by the number (42) 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 40207883851632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60368299610112).

40207883851632 is an abundant number, since it is smaller than the sum of its proper divisors (80528715368592).

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

40207883851632 is a wasteful number, since it uses less digits than its factorization.

40207883851632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326167 (or 1326161 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 40207883851632 in words is "forty trillion, two hundred seven billion, eight hundred eighty-three million, eight hundred fifty-one thousand, six hundred thirty-two".