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40808460 = 2235711373
BaseRepresentation
bin1001101110101…
…1000000001100
32211210021200110
42123223000030
540421332320
64014400020
71003603050
oct233530014
984707613
1040808460
1121043000
1211800010
1385ba824
1455c3c60
1538b15e0
hex26eb00c

40808460 has 192 divisors, whose sum is σ = 145603584. Its totient is φ = 8363520.

The previous prime is 40808459. The next prime is 40808479. The reversal of 40808460 is 6480804.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558984 + ... + 559056.

It is an arithmetic number, because the mean of its divisors is an integer number (758352).

Almost surely, 240808460 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 40808460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72801792).

40808460 is an abundant number, since it is smaller than the sum of its proper divisors (104795124).

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

40808460 is a wasteful number, since it uses less digits than its factorization.

40808460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 40808460 is about 6388.1499669310. The cubic root of 40808460 is about 344.2839169506.

The spelling of 40808460 in words is "forty million, eight hundred eight thousand, four hundred sixty".