61420473352 has 48 divisors (see below), whose sum is σ = 138287070720. Its totient is φ = 25473924000.

The previous prime is 61420473347. The next prime is 61420473371. The reversal of 61420473352 is 25337402416.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2515024 + ... + 2539327.

It is an arithmetic number, because the mean of its divisors is an integer number (2880980640).

Almost surely, 2^61420473352 is an apocalyptic number.

61420473352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61420473352 is an abundant number, since it is smaller than the sum of its proper divisors (76866597368).

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

61420473352 is a wasteful number, since it uses less digits than its factorization.

61420473352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054402 (or 5054391 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 61420473352 its reverse (25337402416), we get a palindrome (86757875768).

The spelling of 61420473352 in words is "sixty-one billion, four hundred twenty million, four hundred seventy-three thousand, three hundred fifty-two".