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40101910992 = 243211213315711
BaseRepresentation
bin100101010110010000…
…101001100111010000
310211111202211011002200
4211112100221213100
51124112042122432
630231135043200
72616522422253
oct452620514720
9124452734080
1040101910992
1116009535300
127932070500
133a21214b20
141d25d3909a
15109a917a7c
hex9564299d0

40101910992 has 360 divisors, whose sum is σ = 137158554624. Its totient is φ = 10853568000.

The previous prime is 40101910991. The next prime is 40101911009. The reversal of 40101910992 is 29901910104.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40101910991) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7019017 + ... + 7024727.

Almost surely, 240101910992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40101910992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68579277312).

40101910992 is an abundant number, since it is smaller than the sum of its proper divisors (97056643632).

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

40101910992 is a wasteful number, since it uses less digits than its factorization.

40101910992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791 (or 5771 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 40101910992 in words is "forty billion, one hundred one million, nine hundred ten thousand, nine hundred ninety-two".