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40784311048 = 2313392156837
BaseRepresentation
bin100101111110111011…
…110011001100001000
310220021022212122222211
4211332323303030020
51132011240423143
630422553154504
72642446631635
oct457673631410
9126238778884
1040784311048
1116329753598
127aa26bba34
133acc701340
141d8c81118c
1510da7b049d
hex97eef3308

40784311048 has 16 divisors (see below), whose sum is σ = 82352935980. Its totient is φ = 18823528128.

The previous prime is 40784311021. The next prime is 40784311079. The reversal of 40784311048 is 84011348704.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33695007844 + 7089303204 = 183562^2 + 84198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40784311048.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196078315 + ... + 196078522.

Almost surely, 240784311048 is an apocalyptic number.

It is an amenable number.

40784311048 is an abundant number, since it is smaller than the sum of its proper divisors (41568624932).

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

40784311048 is a wasteful number, since it uses less digits than its factorization.

40784311048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392156856 (or 392156852 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 40784311048 in words is "forty billion, seven hundred eighty-four million, three hundred eleven thousand, forty-eight".

Divisors: 1 2 4 8 13 26 52 104 392156837 784313674 1568627348 3137254696 5098038881 10196077762 20392155524 40784311048