40591621954632 has 32 divisors (see below), whose sum is σ = 115976062728000. Its totient is φ = 11597606272704.

The previous prime is 40591621954601. The next prime is 40591621954651. The reversal of 40591621954632 is 23645912619504.

It is a super-3 number, since 3×40591621954632³ (a number of 42 digits) contains 333 as substring.

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, 120808398507 + ... + 120808398842.

It is an arithmetic number, because the mean of its divisors is an integer number (3624251960250).

Almost surely, 2^{40591621954632} is an apocalyptic number.

40591621954632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40591621954632 is an abundant number, since it is smaller than the sum of its proper divisors (75384440773368).

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

40591621954632 is a wasteful number, since it uses less digits than its factorization.

40591621954632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241616797365 (or 241616797361 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 40591621954632 in words is "forty trillion, five hundred ninety-one billion, six hundred twenty-one million, nine hundred fifty-four thousand, six hundred thirty-two".