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42480520992 = 253272131753257
BaseRepresentation
bin100111100100000010…
…010100111100100000
311001122112121001121100
4213210002110330200
51144000003132432
631303144554400
73032464320300
oct474402247440
9131575531540
1042480520992
111701a168198
128296782a00
13400cc51770
1420adbcb600
15118966607c
hex9e4094f20

42480520992 has 864 divisors, whose sum is σ = 163897664112. Its totient is φ = 10305404928.

The previous prime is 42480520969. The next prime is 42480521003. The reversal of 42480520992 is 29902508424.

42480520992 is a `hidden beast` number, since 42 + 4 + 80 + 520 + 9 + 9 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 36390903696 + 6089617296 = 190764^2 + 78036^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 165293728 + ... + 165293984.

Almost surely, 242480520992 is an apocalyptic number.

42480520992 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 42480520992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81948832056).

42480520992 is an abundant number, since it is smaller than the sum of its proper divisors (121417143120).

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

42480520992 is a wasteful number, since it uses less digits than its factorization.

42480520992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 42480520992 in words is "forty-two billion, four hundred eighty million, five hundred twenty thousand, nine hundred ninety-two".