40228195320 has 128 divisors (see below), whose sum is σ = 138419712000. Its totient is φ = 10381461120.

The previous prime is 40228195307. The next prime is 40228195349. The reversal of 40228195320 is 2359182204.

It is a happy number.

40228195320 is a `hidden beast` number, since 40 + 2 + 2 + 81 + 9 + 532 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567300 + ... + 634259.

It is an arithmetic number, because the mean of its divisors is an integer number (1081404000).

Almost surely, 2^40228195320 is an apocalyptic number.

40228195320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40228195320 is an abundant number, since it is smaller than the sum of its proper divisors (98191516680).

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

40228195320 is a wasteful number, since it uses less digits than its factorization.

40228195320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201610 (or 1201600 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 40228195320 in words is "forty billion, two hundred twenty-eight million, one hundred ninety-five thousand, three hundred twenty".