237990690000 has 400 divisors, whose sum is σ = 975583213440. Its totient is φ = 54397440000.

The previous prime is 237990689999. The next prime is 237990690011. The reversal of 237990690000 is 96099732.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×237990690000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1827040 + ... + 1952960.

Almost surely, 2^237990690000 is an apocalyptic number.

237990690000 is a gapful number since it is divisible by the number (20) 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 237990690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487791606720).

237990690000 is an abundant number, since it is smaller than the sum of its proper divisors (737592523440).

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

237990690000 is a wasteful number, since it uses less digits than its factorization.

237990690000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125965 (or 125938 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 237990690000 in words is "two hundred thirty-seven billion, nine hundred ninety million, six hundred ninety thousand".