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42025952280 = 23351317231297
BaseRepresentation
bin100111001000111100…
…010010010000011000
311000110212020120120010
4213020330102100120
51142032120433110
631150110001520
73015304462134
oct471074222030
9130425216503
1042025952280
1116906610a74
12818a4a62a0
133c69a153b0
1420696a03c4
15115e7c4020
hex9c8f12418

42025952280 has 576 divisors, whose sum is σ = 150572005920. Its totient is φ = 9325117440.

The previous prime is 42025952251. The next prime is 42025952299. The reversal of 42025952280 is 8225952024.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 433257192 + ... + 433257288.

Almost surely, 242025952280 is an apocalyptic number.

42025952280 is a gapful number since it is divisible by the number (40) 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 42025952280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75286002960).

42025952280 is an abundant number, since it is smaller than the sum of its proper divisors (108546053640).

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

42025952280 is a wasteful number, since it uses less digits than its factorization.

42025952280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 42025952280 in words is "forty-two billion, twenty-five million, nine hundred fifty-two thousand, two hundred eighty".